1207280-97-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1207280-97-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,7,2,8 and 0 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1207280-97:
(9*1)+(8*2)+(7*0)+(6*7)+(5*2)+(4*8)+(3*0)+(2*9)+(1*7)=134
134 % 10 = 4
So 1207280-97-4 is a valid CAS Registry Number.